The 2026 Great Allegheny Ohiopyle Marathon Race Festival takes place on May 2, 2026, in the scenic town of Ohiopyle, Pennsylvania. Participants can expect typical spring weather for the region, which often features mild temperatures and varying sunshine, making it ideal for endurance activities. The event offers a variety of running distances set against a backdrop of stunning natural scenery, providing an immersive outdoor experience for athletes of all levels.